Just in time for what would have been Carl Sagan's 80th birthday, a pair of developers have put together a chatbot version of the famous scientist. It's set up as a chat therapy session — but you'll probably leave the conversation brimming with existential angst.

It's called Dr. Carl and it was quickly whipped together in 24 hours by Brian Fountain and Andrew Pinzler as part of the American Museum of Natural History's first ever hackathon. It was built using ElizaBot, Space Facts, and Club-Mate.